ACS712 current sensor (choose AMPs)

Features :

1. Low-noise analog signal path.
2. Device bandwidth is set via the new FILTER pin.
3. 5 µs output rise time in response to step input current.
4. Small footprint, low-profile SOIC8 package.
5. 2.1 kV RMS minimum isolation voltage from pins 1-4 to pins 5-8.
6. 5.0 V, single-supply operation.
7. 66 to 185 mV/A output sensitivity.
8. Output voltage proportional to AC or DC currents.
9. Factory-trimmed for accuracy.
10. Extremely stable output offset voltage.
11. Nearly zero magnetic hystereses.
12. The ratiometric output from the supply voltage.